Documentation/powerpc/dts-bindings/4xx/reboot.txt

   1 Reboot property to control system reboot on PPC4xx systems:
   2
   3 By setting "reset_type" to one of the following values, the default
   4 software reset mechanism may be overidden. Here the possible values of
   5 "reset_type":
   6
   7       1 - PPC4xx core reset
   8       2 - PPC4xx chip reset
   9       3 - PPC4xx system reset (default)
  10
  11 Example:
  12
  13                 cpu@0 {
  14                         device_type = "cpu";
  15                         model = "PowerPC,440SPe";
  16                         ...
  17                         reset-type = <2>;       /* Use chip-reset */
  18                 };